wy88sunny 发表于 2009-8-13 20:31
GOOGLE上查的,老外做的,感觉不错A & B are out. Starting the sentence with 'employing..' gives the ri ...
- read this 'genetically enhancing plants that make them crop resistant'. It seems to say that the plants make themselves crop resistant. 'that' should refer to 'techniques'
跳跃修饰呀!。。但是就是又是跳跃修饰,又是指代前面,理解麻烦,但是单独的这两个语法点应该都是对的 。。。